Cart:
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 29047-2021 |
Prefabricated directly buried insulating pipes and fittings with polyurethane foamed-plastics and high density polyethylene casing pipes 高密度聚乙烯外护管硬质聚氨酯泡沫塑料预制直埋保温管及管件 |
China National Standards yl |
 English PDF |
| GB/T 22616-2021 |
Fenoxaprop-P-ethyl 精噁唑禾草灵 |
China National Standards yl |
English PDF |
| GB/T 18248-2021 |
Seamless steel tubes for gas cylinder 气瓶用无缝钢管 |
China National Standards yl |
English PDF |
| GB/T 15382-2021 |
General specifications of gas cylinder valves 气瓶阀通用技术要求 |
China National Standards yl |
English PDF |
| GB/T 12639-2021 |
Methods of in-orbit testing for GEO communication satellite payload performance 地球同步轨道通信卫星有效载荷在轨测试方法 |
China National Standards yl |
English PDF |
| GB/T 1973.1-2021 |
Small cylindrical springs—Part 1：Technical specification 小型圆柱螺旋弹簧 第1部分：技术条件 |
China National Standards yl |
English PDF |
| GB/T 1845.2-2021 |
Plastics—Polyethylene (PE) moulding and extrusion materials—Part 2:Preparation of test specimens and determination of properties 塑料 聚乙烯（PE）模塑和挤出材料 第2部分：试样制备和性能测定 |
China National Standards yl |
English PDF |
| GB/T 40277-2021 |
Paper,board and pulps—Measurement of diffuse blue reflectance factor(ISO brightness)—Indoor daylight conditions 纸、纸板和纸浆 蓝光漫反射因数（ISO亮度）的测定 室内日光条件 |
China National Standards yl |
English PDF |
| GB/T 40183-2021 |
Determination of DNA methylation—Pyrosequencing DNA甲基化的测定 焦磷酸测序法 |
China National Standards yl |
English PDF |
| GB/T 40176-2021 |
Determination of xylobiose in plant-derived products - Hydrophilic intention chromatography 植物源性产品中木二糖的测定 亲水保留色谱法 |
China National Standards yl |
English PDF |
| GB/T 40135-2021 |
Detection and identification of Xylophilus ampelinus (Panagopoulos) Willems et al. 葡萄细菌性疫病菌检疫鉴定方法 |
China National Standards yl |
English PDF |
| GB/T 40006.3-2021 |
Plastics—Recycled plastics—Part 3:Polypropylene(PP) materials 塑料 再生塑料 第3部分：聚丙烯(PP)材料 |
China National Standards yl |
English PDF |
| GB/T 40006.2-2021 |
Plastics—Recycled plastics—Part 2:Polyethylene(PE) materials 塑料 再生塑料 第2部分：聚乙烯(PE)材料 |
China National Standards yl |
English PDF |
| GB/T 39977-2021 |
General technical requirements for aquarium poly(methyl methacrylate) sheets 水族馆用聚甲基丙烯酸甲酯板材通用技术要求 |
China National Standards yl |
English PDF |
| GB/T 15242.4-2021 |
Dimensions series of rod and piston dynamic seals for hydraulic cylinders-Part 4:Dimensions and tolerances of bearing rings groove 液压缸活塞和活塞杆动密封装置尺寸系列 第4部分：支承环安装沟槽尺寸系列和公差 |
China National Standards yl |
English PDF |
| GB/T 15242.3-2021 |
Dimensions series of rod and piston dynamic seals for hydraulic cylinders-Part 3:Dimensions and tolerances of groove for co-axial seals 液压缸活塞和活塞杆动密封装置尺寸系列 第3部分：同轴密封件沟槽尺寸系列和公差 |
China National Standards yl |
English PDF |
| GB/T 14949.5-2021 |
Manganese ores一Determination of titanium content一Diantipyrylmethane spectrophotometric method 锰矿石 钛含量的测定 二安替吡啉甲烷分光光度法 |
China National Standards yl |
English PDF |
| GB/T 6577-2021 |
Types,dimensions and tolerances of groove for seals with bearing rings for hydraulic cylinders piston 液压缸活塞用带支承环密封沟槽型式、尺寸和公差 |
China National Standards yl |
English PDF |
| GB/T 22114-2021 |
Humectants for toothpastes - Glycerin and polyethylene glycol 牙膏用保湿剂 甘油和聚乙二醇 |
China National Standards yl |
English PDF |
| GB/T 20373-2021 |
Determination of acetyl content in modified starch—Titrimetric method 变性淀粉中乙酰基含量的测定 滴定法 |
China National Standards yl |
English PDF |
| GB/T 40169-2021 |
Compression-moulded plates of ultra-high-molecular-weight polyethylene(PE-UHMW)and high density polyethylene (PE-HD) 超高分子量聚乙烯（PE-UHMW）和高密度聚乙烯（PE-HD）模塑板材 |
China National Standards yl |
English PDF |
| GB/T 39882-2021 |
Examination methods for methylene dioxymetham phetamine in suspected drugs -- Gas chromatography and gas chromatography-mass spectrometry 疑似毒品中二亚甲基双氧安非他明检验 气相色谱和气相色谱-质谱法 |
China National Standards yl |
English PDF |
| GB/T 39998-2021 |
Paper, board and paper products—Determination of alkylphenol polyethoxylates—HPLC-MS method 纸、纸板和纸制品 烷基苯酚聚氧乙烯醚类的测定 高效液相色谱质谱法 |
China National Standards yl |
English PDF |
| GB/T 39993-2021 |
Determination of permitted preservatives dimethyl oxazolidine, 7-ethylbicyclooxazolidine and 5-bromo-5-nitro-1,3-dioxane in cosmetics 化妆品中限用防腐剂二甲基噁唑烷、7-乙基双环噁唑烷和5-溴-5-硝基-1,3-二噁烷的测定 |
China National Standards yl |
English PDF |
| GB/T 33351.2-2021 |
Determination of arsenic,beryllium,antimony in electrical and electronic products—Part 2:Inductively coupled plasma optical emission spectrometry 电子电气产品中砷、铍、锑的测定 第2部分：电感耦合等离子体发射光谱法 |
China National Standards yl |
English PDF |
| GB/T 11640-2021 |
Seamless aluminum alloy gas cylinders 铝合金无缝气瓶 |
China National Standards yl |
English PDF |
| GB/T 20218-2021 |
Biaxially oriented polyamide (nylon) film 双向拉伸聚酰胺（尼龙）薄膜 |
China National Standards yl |
English PDF |
| GB/T 39955-2021 |
Additive manufacturing -- Materials -- Powders of Nylon 12 and its composites for powder bed fusion 增材制造 材料 粉末床熔融用尼龙12及其复合粉末 |
China National Standards yl |
English PDF |
| GB/T 39949.3-2021 |
Hydraulic fluid power—Mounting dimensions for accessories of single rod cylinder—Part 3: 16 MPa compact series with bores from 250mm to 500mm 液压传动 单杆缸附件的安装尺寸 第3部分：16 MPa缸径250 mm～500 mm紧凑型系列 |
China National Standards yl |
English PDF |
| GB/T 39949.2-2021 |
Hydraulic fluid power—Mounting dimensions for accessories of single rod cylinder—Part 2:16 MPa compact series with bores from 25 mm to 220 mm 液压传动 单杆缸附件的安装尺寸 第2部分：16MPa缸径25mm～220mm紧凑型系列 |
China National Standards yl |
English PDF |
| GB/T 39949.1-2021 |
Hydraulic fluid power—Mounting dimensions for accessories of single rod cylinder—Part 1:16 MPa medium and 25 MPa series 液压传动 单杆缸附件的安装尺寸 第1部分：16MPa中型系列和25MPa系列 |
China National Standards yl |
English PDF |
| GB/T 39937-2021 |
Plastics—Extruded sheets of polypropylene (PP)—Requirements and test methods 塑料制品 聚丙烯(PP)挤塑板材 要求和试验方法 |
China National Standards yl |
English PDF |
| GB/T 39936-2021 |
Plastics—Extruded sheets of polypropylene (PP)—Requirements and test methods 深冷保冷用泡沫塑料 |
China National Standards yl |
English PDF |
| GB/T 39827.2-2021 |
Plastics -- Post-consumer poly(ethylene terephthalate)(PET) bottle recyclates -- Part 2: Preparation of test specimens and determination properties 塑料 用过的聚对苯二甲酸乙二醇酯(PET)瓶回收物 第2部分：试样制备和性能测定 |
China National Standards yl |
English PDF |
| GB/T 39827.1-2021 |
Plastics -- Post-consumer poly(ethylene terephthalate) (PET) bottle recyclates -- Part 1: Designation system and basis for specifications 塑料 用过的聚对苯二甲酸乙二醇酯(PET)瓶回收物 第1部分：命名系统和分类基础 |
China National Standards yl |
English PDF |
| GB/T 39765-2021 |
Determination of benzene,methylbenzene,ethylbenzene,dimethybenzene in stationery—Gas chromatographic method 文具中苯、甲苯、乙苯及二甲苯的测定方法 气相色谱法 |
China National Standards yl |
English PDF |
| GB/T 283-2021 |
Rolling bearings—Cylindrical roller bearings—Boundary dimensions 滚动轴承 圆柱滚子轴承 外形尺寸 |
China National Standards yl |
English PDF |
| GB/T 41225-2021 |
Limit and determination of free phenols in phenoxy carboxylic acid herbicides 苯氧羧酸类除草剂中游离酚限量及检测方法 |
China National Standards yl |
English PDF |
| GB/T 15592-2021 |
Polyvinyl chloride paste resins 聚氯乙烯糊用树脂 |
China National Standards yl |
English PDF |
| GB/T 41003.2-2021 |
General technical specification for plastic foam mats—Part 2: Indoor polyvinyl chloride foam mats 塑料泡沫垫通用技术条件 第2部分：室内聚氯乙烯泡沫垫 |
China National Standards yl |
English PDF |
| GB/T 18916.59-2021 |
Norm of water intake -- Part 59: Vinyl acetate 取水定额 第59部分：醋酸乙烯 |
China National Standards yl |
English PDF |
| GB/T 41212-2021 |
Nanotechnologies -- 5-(and 6)-Chloromethyl-2', 7' Dichloro-dihydrofluorescein diacetate (CM-H2DCF-DA) assay for evaluating nanoparticle-induced intracellular reactive oxygen species(ROS) production in RAW 264.7 macrophage cell line 纳米技术 荧光素二乙酸酯法检测纳米颗粒诱导巨噬细胞产生的活性氧 |
China National Standards yl |
English PDF |
| GB/T 6730.48-2021 |
Iron ores—Determination of bismuth content— Dithiodiantipyryl methane spectrophotometric method 铁矿石 铋含量的测定 二硫代二安替吡啉甲烷分光光度法 |
China National Standards yl |
English PDF |
| GB/T 38482-2021 |
Determination of animal type Ⅰ collagen—Polyacrylamide gel electrophoresis 动物源性I型胶原蛋白成分测定 聚丙烯酰胺凝胶电泳法 |
China National Standards yl |
English PDF |
| GB/T 41057-2021 |
Technical requirements for distributed acoustic optical fiber monitoring system on prestressed concrete cylinder pipe 预应力钢筒混凝土管分布式光纤声监测技术要求 |
China National Standards yl |
English PDF |
| GB/T 41055-2021 |
Technical requirements for nondestructive testing （electromagnetic method based on remote field eddy current） on prestressed concrete cylinder pipe 预应力钢筒混凝土管无损检测（远场涡流电磁法）技术要求 |
China National Standards yl |
English PDF |
| GB/T 41003.1-2021 |
General technical specification for plastic foam mats—Part 1:Polyethylene/ethylene vinylacetate copolymer foam mats for children 塑料泡沫垫通用技术条件 第1部分：聚乙烯/乙烯-醋酸乙烯酯共聚物儿童泡沫垫 |
China National Standards yl |
English PDF |
| GB/T 41167-2021 |
General requirements for polyethylene terephthalate(PET) bottle for drinks 聚对苯二甲酸乙二醇酯(PET)饮品瓶通用技术要求 |
China National Standards yl |
English PDF |
| GB/T 24282-2021 |
Plastics—Determination of xylene-soluble matter fraction in polypropylene 塑料 聚丙烯中二甲苯可溶物含量的测定 |
China National Standards yl |
English PDF |
| GB/T 26978-2021 |
Design and manufacture of site built, vertical, cylindrical, flat-bottomed steel tanks for the storage of cryogenic liquefied gas 现场组装立式圆筒平底钢质低温液化气储罐的设计与建造 |
China National Standards yl |
English PDF |
| GB/T 41171-2021 |
Urine-absorbing aids for incontinence -- Measurement of airborne respirable polyacrylate superabsorbent materials -- Determination of dust in collection cassettes by sodium atomic absorption spectrometry 失禁用尿吸收辅助器具? 空气中可吸入聚丙烯酸高吸水性材料测量 钠原子吸收光谱法对采集盒粉尘的测定 |
China National Standards yl |
English PDF |
| GB/T 40950-2021 |
Determination of alkyl(C12～C22) trimethyl ammonium salt in cosmetics—High performance liquid chromatography tandem mass spectrometry 化妆品中烷基(C12～C22)三甲基铵盐的测定 高效液相色谱串联质谱法 |
China National Standards yl |
English PDF |
| GB/T 40955-2021 |
Determination of octamethylcyclotetrasiloxane(D4) and decamethylcyclopentasiloxane(D5) in cosmetics—Gas chromatography 化妆品中八甲基环四硅氧烷（D4）和十甲基环五硅氧烷（D5）的测定 气相色谱法 |
China National Standards yl |
English PDF |
| GB/T 40911.3-2021 |
Plastics—Poly(methyl methacrylate) sheets—Types,dimensions and characteristics—Part 3:Continuous cast sheets 塑料制品 聚甲基丙烯酸甲酯板材 类型、尺寸和特性 第3部分：连续浇铸板材 |
China National Standards yl |
English PDF |
| GB/T 40911.2-2021 |
Plastics—Poly(methyl methacrylate)sheets—Types,dimensions and characteristics—Part 2:Extruded sheets 塑料制品 聚甲基丙烯酸甲酯板材 类型、尺寸和特性 第2部分：挤出板材 |
China National Standards yl |
English PDF |
| GB/T 40967-2021 |
Polyethylene(PE)pipes and fittings for nuclear power plants 核电厂用聚乙烯（PE）管材及管件 |
China National Standards yl |
English PDF |
| GB/T 40919-2021 |
Polyethylene materials for piping systems—Determination of Strain Hardening Modulus in relation to slow crack growth 管道系统用聚乙烯材料 与慢速裂纹增长相关的应变硬化模量的测定 |
China National Standards yl |
English PDF |
| GB/T 40921-2021 |
Expanded polypropylene (PP-E) beads 发泡聚丙烯（PP-E）珠粒 |
China National Standards yl |
English PDF |
| GB/T 40998-2021 |
Determination of hydroxypropyl content in modified starch -- Spectrophotometric method 变性淀粉中羟丙基含量的测定 分光光度法 |
China National Standards yl |
English PDF |
| GB/T 40896-2021 |
Determination of diethylene glycol monoethyl ether in cosmetics—Gas chromatography mass spectrometry 化妆品中二乙二醇单乙醚的测定 气相色谱-质谱法 |
China National Standards yl |
English PDF |
| GB/T 40968-2021 |
Test method of polycylic aromatic hydrocarbons in musical instrument 乐器产品中多环芳烃的测试方法 |
China National Standards yl |
English PDF |
| GB/T 40897-2021 |
Determination of alkali sulfides and alkaline earth sulfides in cosmetics—Methylene blue spectrophotometric method 化妆品中碱金属硫化物和碱土金属硫化物的测定 亚甲基蓝分光光度法 |
China National Standards yl |
English PDF |
| GB/T 40006.9-2021 |
Plastics—Recycled plastics—Part 9:Poly(ethylene terephthalate) (PET) materials 塑料 再生塑料 第9部分：聚对苯二甲酸乙二醇酯(PET)材料 |
China National Standards yl |
English PDF |
| GB/T 40006.5-2021 |
Plastics—Recycled plastics—Part 5：Acrylonitrile-butadiene-styrene (ABS) materials 塑料 再生塑料 第5部分：丙烯腈-丁二烯-苯乙烯（ABS）材料 |
China National Standards yl |
English PDF |
| GB/T 40909-2021 |
Textiles—Determination of methylcyclosiloxane residues 纺织品 甲基环硅氧烷残留量的测定 |
China National Standards yl |
English PDF |
| GB/T 40907-2021 |
Methods for the determination of prohibited substances in furniture products and related materials -- 2, 4-diaminotoluene and 4, 4'-methylenedianiline 家具产品及其材料中禁限用物质测定方法? 2,4-二氨基甲苯、4，4’-二氨基二苯甲烷 |
China National Standards yl |
English PDF |
| GB/T 40872-2021 |
Plastics—Test methods of polyethylene cellular 塑料 聚乙烯泡沫试验方法 |
China National Standards yl |
English PDF |
| GB/T 23801-2021 |
Determination of fatty acid methyl ester (FAME) content in middle distillates—Infrared spectrometry 中间馏分油中脂肪酸甲酯含量的测定 红外光谱法 |
China National Standards yl |
English PDF |
| GB/T 22271.2-2021 |
Plastics -- Polyoxymethylene(POM) moulding and extrusion materials -- Part 2: Preparation of test specimens and determination of properties 塑料 聚甲醛（POM）模塑和挤出材料 第2部分：试样制备和性能测定 |
China National Standards yl |
English PDF |
| GB/T 22271.1-2021 |
Plastics -- Polyoxymethylene(POM) moulding and extrusion materials -- Part 1: Designation system and basis for specification 塑料 聚甲醛（POM）模塑和挤出材料 第1部分：命名系统和分类基础 |
China National Standards yl |
English PDF |
| GB/T 20186.2-2021 |
Secondary coating materials used for optical fibre—Part 2: Modified propylene resin 光纤用二次被覆材料 第2部分：改性聚丙烯 |
China National Standards yl |
English PDF |
| GB/T 39506-2020 |
Determination of the poly vinyl chloride (PVC) content of unplasticized poly vinyl chloride (PVC-U) pipes and fittings—Method based on total chlorine content 硬聚氯乙烯（PVC-U）管材及管件中聚氯乙烯（PVC）含量的测定 基于总氯含量的方法 |
China National Standards yl |
English PDF |
| GB/T 39512-2020 |
Principle for phosphorylation labeled nucleic acid testing 磷酸化标记核酸检测通则 |
China National Standards yl |
English PDF |
| GB/T 39518-2020 |
Geometrical product specifications (GPS) — Guidelines for the evaluation of coordinate measuring machine (CMM) test uncertainty for CMMs using single and multiple stylus contacting probing systems 产品几何技术规范（GPS） 使用单探针和多探针接触式探测系统坐标测量机的检测不确定度评估指南 |
China National Standards yl |
English PDF |
| GB/T 39519-2020 |
Hydranlic cylindrically helical compression spring with high working stress—Technical specifications 高应力液压件圆柱螺旋压缩弹簧 技术条件 |
China National Standards yl |
English PDF |
| GB/T 39562-2020 |
Technical specification for Taiwan style Oolong tea processing 台式乌龙茶加工技术规范 |
China National Standards yl |
English PDF |
| GB/T 39563-2020 |
Taiwan style Oolong tea 台式乌龙茶 |
China National Standards yl |
English PDF |
| GB/T 39138.2-2020 |
Methods for chemical analysis of gold nickel chromium iron silicon boron alloys—Part 2：Determination of nickel content—Dimethylglyoxime gravimetric method 金镍铬铁硅硼合金化学分析方法 第2部分：镍含量的测定 丁二酮肟重量法 |
China National Standards yl |
English PDF |
| GB/T 39151-2020 |
Nickel beryllium titanium alloy strip for high temperature elastic component 高温弹性元件用镍铍钛合金带材 |
China National Standards yl |
English PDF |
| GB/T 39199-2020 |
Characterization and testing methods of recycled polyethylene (PE) 聚乙烯（PE）塑料再生料的表征特性及检测方法 |
China National Standards yl |
English PDF |
| GB 30612-2014 |
National food safety standard - Food Additives - Polydimethylsiloxane (PDMS) and Its Emulsion + No.1 modification sheet 食品安全国家标准 食品添加剂 聚二甲基硅氧烷及其乳液+《第1号修改单》 |
China National Standards yl |
English PDF |
| GB 1886.69-2016 |
National food safety standard - Food Additives - Asparagine phenylalanine methyl ester Acesulfame acid + No.1 modification sheet 食品安全国家标准 食品添加剂 天门冬酰苯丙氨酸甲酯乙酰磺胺酸+《第1号修改单》 |
China National Standards yl |
English PDF |
| GB/T 38990-2020 |
Waterborne epoxylite emulsified binder mixture for road engineering 道路用水性环氧树脂乳化沥青混合料 |
China National Standards yl |
English PDF |
| GB/T 24328.11-2020 |
Tissue paper and tissue products—Part 11: Determination of optical properties—Measurement of brightness and colour—C/2°(indoor daylight) illuminant 卫生纸及其制品 第11部分：光学性能的测定 亮度和颜色的测定 C/2°（室内日光条件） |
China National Standards yl |
English PDF |
| GB/T 24328.8-2020 |
Tissue paper and tissue products—Part 8: Determination of optical properties—Measurement of brightness and colour—D65/10°（outdoor daylight conditions) 卫生纸及其制品 第8部分：光学性能的测定 亮度和颜色的测定 D65/10°（室外日光条件） |
China National Standards yl |
English PDF |
| GB/T 39026-2020 |
Test method for the identification of recycled polyethylene terephthalate (PET) fiber 循环再利用聚酯（PET）纤维鉴别方法 |
China National Standards yl |
English PDF |
| GB/T 20975.22-2020 |
Methods for chemical analysis of aluminium and aluminium alloys—Part 22:Determination of beryllium content 铝及铝合金化学分析方法 第22部分：铍含量的测定 |
China National Standards yl |
English PDF |
| GB/T 38758-2020 |
Pneumatic fluid power—Rules of non-ferrous metallic cylinder body 气动 有色金属缸筒技术要求 |
China National Standards yl |
English PDF |
| GB/T 38741-2020 |
Oral care and cleansing products—Determination of chlorhexidine, furacin, diclofenac, chloroxylenol and hexamidine diisethionate in toothpastes—High performance liquid chromatography 口腔清洁护理用品 牙膏中氯己定、呋喃西林、双氯芬酸、氯二甲酚和己脒定二（羟乙基磺酸）盐5种杀菌剂含量的测定 高效液相色谱法 |
China National Standards yl |
English PDF |
| GB/T 38729-2020 |
Surface active agents—Test methods of technical sodium primary alkylsulphates 表面活性剂 工业伯烷基硫酸钠试验方法 |
China National Standards yl |
English PDF |
| GB/T 11989-2020 |
Surface active agents—Test methods of technical sodium alkylarylsulphonates (excluding benzene derivatives) 表面活性剂 工业烷基芳基磺酸钠（不包括苯衍生物）试验方法 |
China National Standards yl |
English PDF |
| GB/T 3286.10-2020 |
Methods for chemical analysis of limestone and dolornite一Part 10:Determination of titanium dioxide content一Diantipyrylmethane spectrophotometric method 石灰石及白云石化学分析方法 第10部分：二氧化钛含量的测定 二安替吡啉甲烷分光光度法 |
China National Standards yl |
English PDF |
| GB/Z 38765-2020 |
Targeted poverty alleviation—Chinese medicinal materials—Specifications for operation management of Paris polyphylla Smith var.yunnanensis(Franch.)Hand.-Mazz.project 精准扶贫 中药材 滇重楼产业项目运营管理规范 |
China National Standards yl |
English PDF |
| GB/T 38592-2020 |
Determination of 4,4’-methylene-bis(2-chloroaniline) in textile dyeing and finishing auxiliaries 纺织染整助剂产品中4,4’-亚甲基双(2-氯苯胺)的测定 |
China National Standards yl |
English PDF |
| GB/T 18916.48-2020 |
Norm of water intake—Part 48：Polyvinyl product 取水定额 第48部分：维纶产品 |
China National Standards yl |
English PDF |
| GB 31604.50-2020 |
National food safety standard - Food contact materials and articles - Determination of nonylphenol migration 食品安全国家标准 食品接触材料及制品 壬基酚迁移量的测定 |
China National Standards yl |
English PDF |
| GB 5009.282-2020 |
National food safety standard - Determination of 1-methylimidazole, 2-methylimidazole and 4-methylimidazole in foods 食品安全国家标准 食品中1-甲基咪唑、2-甲基咪唑及4-甲基咪唑的测定 |
China National Standards yl |
English PDF |
| GB 5009.280-2020 |
National food safety standard - Determination of 4-hexylresorcinol residues in foods 食品安全国家标准 食品中4-己基间苯二酚残留量的测定 |
China National Standards yl |
English PDF |
| GB 1886.313-2020 |
National food safety standard - Food additive - Diphenyl oxide 食品安全国家标准 食品添加剂 联苯醚（又名二苯醚） |
China National Standards yl |
English PDF |
| GB 1886.307-2020 |
National food safety standard - Food additive - Potassium copper chlorophyllin 食品安全国家标准 食品添加剂 叶绿素铜钾盐 |
China National Standards yl |
English PDF |
| GB 1886.305-2020 |
National food safety standard - Food additive - D-xylose 食品安全国家标准 食品添加剂 D-木糖 |
China National Standards yl |
English PDF |
| GB/T 39714.2-2020 |
Plastics—Polytetrafluoroethylene(PTFE) semi-finished products—Part 2:Preparation of test specimens and determination of properties 塑料 聚四氟乙烯(PTFE)半成品 第2部分：试样制备和性能测定 |
China National Standards yl |
English PDF |
| GB/T 39714.1-2020 |
Plastics—Polytetrafluoroethylene(PTFE) semi-finished products—Part 1:Requirements and designation 塑料 聚四氟乙烯(PTFE)半成品 第1部分：要求和命名 |
China National Standards yl |
English PDF |
| GB/T 39690.2-2020 |
Plastics—Mixtures of polypropylene (PP) and polyethylene (PE) recyclate derived from PP and PE used for flexible and rigid consumer packaging—Part 2：Preparation of test specimens and determination of properties 塑料 源自柔性和刚性消费品包装的聚丙烯（PP）和聚乙烯（PE）回收混合物 第2部分：试样制备和性能测定 |
China National Standards yl |
English PDF |
| GB/T 39690.1-2020 |
Plastics—Mixtures of polypropylene (PP) and polyethylene (PE) recyclate derived from PP and PE used for flexible and rigid consumer packaging—Part 1: Designation system and basis for specification 塑料 源自柔性和刚性消费品包装的聚丙烯（PP）和聚乙烯（PE）回收混合物 第1部分： 命名系统和分类基础 |
China National Standards yl |
English PDF |
| GB/T 39560.6-2020 |
Determination of certain substances in electrical and electronic products—Part 6: Polybrominated biphenyls and polybrominated diphenyl ethers in polymers by gas chromatography-mass spectrometry（GC-MS） 电子电气产品中某些物质的测定 第6部分：气相色谱-质谱仪（GC-MS）测定聚合物中的多溴联苯和多溴二苯醚 |
China National Standards yl |
English PDF |
| GB/T 17268-2020 |
Non-refillable steel welded cylinders for industrial use 工业用非重复充装焊接钢瓶 |
China National Standards yl |
English PDF |
| GB/T 11638-2020 |
Acetylene cylinders 乙炔气瓶 |
China National Standards yl |
English PDF |
| GB/T 7383-2020 |
Non-ionic surface active agents—Determination of hydroxyl value 非离子表面活性剂 羟值的测定 |
China National Standards yl |
English PDF |
| GB/T 5100-2020 |
Welded steel gas cylinders 钢质焊接气瓶 |
China National Standards yl |
English PDF |
| GB/T 39710-2020 |
Polycarbonate / acrylonitrile-butadiene-styrene (PC / ABS) material for charging spot housing of electric vehicle 电动汽车充电桩壳体用聚碳酸酯/丙烯腈-丁二烯-苯乙烯（PC/ABS）专用料 |
China National Standards yl |
English PDF |
| GB/T 39694-2020 |
Hydrogenated acrylonitrile-butadiene rubber(HNBR)—General specification and evaluation procedure 氢化丙烯腈-丁二烯橡胶（HNBR） 通用规范和评价方法 |
China National Standards yl |
English PDF |
| GB/T 39545.3-2020 |
Design and selection of components for enclosed gear drives—Part 3: Shaft-to-hub juncture with keyless fits 闭式齿轮传动装置的零部件设计和选择 第3部分：轴和轮毂的无键配合连接 |
China National Standards yl |
English PDF |
| GB/T 28610-2020 |
Methyl vinyl silicone rubber 甲基乙烯基硅橡胶 |
China National Standards yl |
English PDF |
| GB/T 15076.7-2020 |
Part 7: Determination of phosphorus content in niobium 4-methyl-pentanone- [2] extraction and separation of phosphorus molybdenum blue spectrophotometry and inductively coupled plasma atomic emission spectrometry 钽铌化学分析方法 第7部分：铌中磷量的测定 4-甲基-戊酮-[2]萃取分离磷钼蓝分光光度法和电感耦合等离子体原子发射光谱法 |
China National Standards yl |
English PDF |
| GB/T 13747.4-2020 |
Methods for chemical analysis of zirconium and zirconium alloys--Part 4: Determination of chromium content--Diphenylcarbazide spectrophotometry andinductively coupled plasma atomic emission spectrometry 锆及锆合金化学分析方法 第4部分：铬量的测定 二苯卡巴肼分光光度法和电感耦合等离子体原子发射光谱法 |
China National Standards yl |
English PDF |
| GB/T 28799.5-2020 |
Polyethylene of raised temperature resistance (PE-RT) piping systems for hot and cold water installations—Part 5： Fitness for purpose of the system 冷热水用耐热聚乙烯(PE-RT)管道系统 第5部分：系统适用性 |
China National Standards yl |
English PDF |
| GB/T 28799.3-2020 |
Polyethylene of raised temperature resistance (PE-RT) piping systems for hot and cold water installations—Part 3: Fittings 冷热水用耐热聚乙烯(PE-RT)管道系统 第3部分：管件 |
China National Standards yl |
English PDF |
| GB/T 28799.2-2020 |
Polyethylene of raised temperature resistance (PE-RT) piping systems for hot and cold water installations—Part 2: Pipes 冷热水用耐热聚乙烯(PE-RT)管道系统 第2部分：管材 |
China National Standards yl |
English PDF |
| GB/T 28799.1-2020 |
Polyethylene of raised temperature resistance（PE-RT）piping systems for hot and cold water installations—Part 1: General 冷热水用耐热聚乙烯(PE-RT)管道系统 第1部分：总则 |
China National Standards yl |
English PDF |
| GB/T 20674.4-2020 |
Plastics pipes and fittings—Equipment for fusion jointing polyethylene systems—Part 4: Traceability coding 塑料管材和管件 聚乙烯系统熔接设备 第4部分：可追溯编码 |
China National Standards yl |
English PDF |
| GB/T 20674.3-2020 |
Plastics pipes and fittings—Equipment for fusion jointing polyethylene systems—Part 3:Operator's badge 塑料管材和管件 聚乙烯系统熔接设备 第3部分：操作者代码 |
China National Standards yl |
English PDF |
| GB/T 20674.2-2020 |
Plastics pipes and fittings—Equipment for fusion jointing polyethylene systems—Part 2: Electrofusion 塑料管材和管件 聚乙烯系统熔接设备 第2部分：电熔连接 |
China National Standards yl |
English PDF |
| GB/T 20674.1-2020 |
Plastics pipes and fittings—Equipment for fusion jointing polyethylene systems—Part 1:Butt fusion 塑料管材和管件 聚乙烯系统熔接设备 第1部分：热熔对接 |
China National Standards yl |
English PDF |
| GB/T 18993.5-2020 |
Chlorinated poly (vinyl chloride) （PVC-C）piping systems for hot and cold water installations—Part 5：Fitness for the purpose of system 冷热水用氯化聚氯乙烯（PVC-C）管道系统 第5部分：系统适用性 |
China National Standards yl |
English PDF |
| GB/T 18993.3-2020 |
Chlorinated poly (vinyl chloride) (PVC-C) piping systems for hot and cold water installations—Part 3：Fittings 冷热水用氯化聚氯乙烯（PVC-C）管道系统 第3部分：管件 |
China National Standards yl |
English PDF |
| GB/T 18993.2-2020 |
Chlorinated poly (vinyl chloride) (PVC-C) piping systems for hot and cold water installations—Part 2：Pipes 冷热水用氯化聚氯乙烯（PVC-C）管道系统 第2部分：管材 |
China National Standards yl |
English PDF |
| GB/T 18993.1-2020 |
Chlorinated poly (vinyl chloride) (PVC-C) piping systems for hot and cold water installations—Part 1：General 冷热水用氯化聚氯乙烯（PVC-C）管道系统 第1部分：总则 |
China National Standards yl |
English PDF |
| GB/T 18916.51-2020 |
Norm of water intake—Part 51：Para-xylene 取水定额 第51部分：对二甲苯 |
China National Standards yl |
English PDF |
| GB/T 9094-2020 |
Fluid power systems and components—Identification code for cylinders mounting dimensions and mounting types 流体传动系统及元件 缸安装尺寸和安装型式代号 |
China National Standards yl |
English PDF |
| GB/T 8102-2020 |
Pneumatic fluid power—Single rod cylinders,bores from 8 mm to 25 mm—Mounting dimensions 气动 缸径8mm至25mm的单杆气缸 安装尺寸 |
China National Standards yl |
English PDF |
| GB/T 2350-2020 |
Fluid power systems and components—Cylinder piston rod thread types and dimensions 流体传动系统及元件 活塞杆螺纹型式和尺寸系列 |
China National Standards yl |
English PDF |
| GB/T 39302-2020 |
Reclaimed water quality—Determination of anionic surfactants—Methylene blue spectrophotometric method 再生水水质 阴离子表面活性剂的测定 亚甲蓝分光光度法 |
China National Standards yl |
English PDF |
| GB/T 39246-2020 |
Prefabricated directly buried insulating fittings with seamless high density polyethylene casing pipe 高密度聚乙烯无缝外护管预制直埋保温管件 |
China National Standards yl |
English PDF |
| GB/T 24165-2020 |
Determination of polychlorinated biphenyls in dye products 染料产品中多氯联苯的测定 |
China National Standards yl |
English PDF |
| GB/T 15593-2020 |
Plasticized poly(vinyl chloride) compounds for transfusion (infusion) equipment 输血(液)器具用聚氯乙烯塑料 |
China National Standards yl |
English PDF |
| GB/T 20202-2019 |
Ethylene-vinyl acetate copolymer (EVA) blown covering film for agriculture 农业用乙烯-乙酸乙烯酯共聚物（EVA）吹塑棚膜 |
China National Standards yl |
English PDF |
| GB/T 38288-2019 |
Plastics—Recycled polypropylene compound 塑料 聚丙烯再生改性专用料 |
China National Standards yl |
English PDF |
| GB/T 38286-2019 |
Polyethylene(PE)，polypropylene(PP) and polystyrene(PS) resin―Determination of peroxide value 聚乙烯、聚丙烯、聚苯乙烯树脂 过氧化值的测定 |
China National Standards yl |
English PDF |
| GB/T 38211-2019 |
Sulfuryl fluoride 硫酰氟 |
China National Standards yl |
English PDF |
| GB/T 4455-2019 |
Polyethylene blown covering film for agriculture 农业用聚乙烯吹塑棚膜 |
China National Standards yl |
English PDF |
| GB/T 38409-2019 |
Leather—Chemical tests—Determination of N-methyl-2-pyrrolidone（NMP) and N-ethyl-2-pyrrolidone (NEP) content 皮革 化学试验 N-甲基吡咯烷酮（NMP）和N-乙基吡咯烷酮（NEP）的测定 |
China National Standards yl |
English PDF |
| GB/T 38401-2019 |
Leather and fur—Chemical tests—Determination of dimethyl formamide content 皮革和毛皮 化学试验 二甲基甲酰胺含量的测定 |
China National Standards yl |
English PDF |
| GB/T 38388-2019 |
Test method of solar PV system for curtain wall and skylight of building 建筑光伏幕墙采光顶检测方法 |
China National Standards yl |
English PDF |
| GB/T 38349-2019 |
Determination of N-methyl pyrrolidone in rubber shoes and sports footwear 胶鞋 、运动鞋N-甲基吡咯烷酮含量的测定 |
China National Standards yl |
English PDF |
| GB/T 21896-2019 |
2-Naphthylamine-1，5-disulfonic acid （sulphonic Tobias acid ） 2-萘胺-1，5-二磺酸（磺化吐氏酸） |
China National Standards yl |
English PDF |
| GB/T 38288-2019 |
Plastics—Recycled polypropylene compound 塑料 聚丙烯再生改性专用料 |
China National Standards yl |
English PDF |
| GB/T 38286-2019 |
Polyethylene(PE)，polypropylene(PP) and polystyrene(PS) resin―Determination of peroxide value 聚乙烯、聚丙烯、聚苯乙烯树脂 过氧化值的测定 |
China National Standards yl |
English PDF |
| GB/T 4455-2019 |
Polyethylene blown covering film for agriculture 农业用聚乙烯吹塑棚膜 |
China National Standards yl |
English PDF |
| GB 7300.401-2019 |
Feed additives—Part 4：Enzymes—Xylanase 饲料添加剂 第4部分：酶制剂 木聚糖酶 |
China National Standards yl |
English PDF |
| GB 7300.201-2019 |
Feed additives—Part 2：Vitamins,provitamins and chemically well-defined substances having similar effect—L-Ascorbyl-2-phosphate 饲料添加剂 第2部分：维生素及类维生素 L-抗坏血酸-2-磷酸酯盐 |
China National Standards yl |
English PDF |
| GB/T 37886-2019 |
Technical requirements for RFID read-write equipment of gas cylinder 气瓶射频识别（RFID）读写设备技术规范 |
China National Standards yl |
English PDF |
| GB/T 37881-2019 |
Plastics－Long glass fiber reinforced polypropylene（PP） compound for automotive 塑料 汽车用长玻璃纤维增强聚丙烯(PP)专用料 |
China National Standards yl |
English PDF |
| GB/T 37859-2019 |
Paper, board and paper products—Determination of acrylamide 纸、纸板和纸制品 丙烯酰胺的测定 |
China National Standards yl |
English PDF |
| GB/T 37857-2019 |
Thermoforming disposable urine cup made by polylactic acid 聚乳酸热成型一次性验尿杯 |
China National Standards yl |
English PDF |
| GB/T 37838-2019 |
Pulp—Determination of dynamic viscosity number in cupri-ethylenediamine(CED) solution 纸浆 铜乙二胺(CED)溶液动力粘度的测定 |
China National Standards yl |
English PDF |
| GB/T 37836-2019 |
Air filter plate made by polylactic acid/polybutylene succinate composite 聚乳酸/聚丁二酸丁二酯复合材料空气过滤板 |
China National Standards yl |
English PDF |
| GB/T 23854-2019 |
Bromochloro-5,5-dimethylhydantoin 溴氯海因 |
China National Standards yl |
English PDF |
| GB/T 21841-2019 |
Rubber antioxidant—N-1,3-dimethylbutyl-N’-phenyl-p-phenylenediamine（6PPD） 橡胶防老剂 N-1,3-二甲基丁基-N’-苯基对苯二胺（6PPD） |
China National Standards yl |
English PDF |
| GB/T 20202-2019 |
Ethylene-vinyl acetate copolymer (EVA) blown covering film for agriculture 农业用乙烯-乙酸乙烯酯共聚物（EVA）吹塑棚膜 |
China National Standards yl |
English PDF |
| GB/T 19472.1-2019 |
Polyethylene structure wall pipeline system for underground usage—Part 1: Polyethylene double wall corrugated pipes 埋地用聚乙烯（PE）结构壁管道系统 第1部分：聚乙烯双壁波纹管材 |
China National Standards yl |
English PDF |
| GB/T 18477.3-2019 |
Unplasticized polyvinyl chloride (PVC-U) structure wall pipeline system for underground soil waste and drainage—Part 3: Axial hollow-wall construction pipes 埋地排水用硬聚氯乙烯（PVC-U）结构壁管道系统 第3部分：轴向中空壁管材 |
China National Standards yl |
English PDF |
| GB/T 12442-2019 |
Test method for the hydroxyl groups content of silica glass 石英玻璃中羟基含量检验方法 |
China National Standards yl |
English PDF |
| GB/T 8826-2019 |
Rubber antioxidant—Polymerized 2,2,4-trimethyl-1,2-dihydroquinoline (TMQ) 橡胶防老剂 2,2,4-三甲基-1,2-二氢化喹啉聚合物（TMQ） |
China National Standards yl |
English PDF |
| GB/T 3781.6-2019 |
Acetylene black—Part 6：Determination of apparent specific volume 乙炔炭黑 第6部分：视比容的测定 |
China National Standards yl |
English PDF |
| GB/T 3781.5-2019 |
Acetylene black—Part 5:Determination of grit content 乙炔炭黑 第5部分：粗粒分的测定 |
China National Standards yl |
English PDF |
| GB/T 2078-2019 |
Dimensions of indexable hardmetal (carbide) inserts with rounded corners,with cylindrical fixing hole 带圆角圆孔固定的硬质合金可转位刀片尺寸 |
China National Standards yl |
English PDF |
| GB/T 36520.4-2019 |
Hydraulic fluid power—Dimensions and tolerances of polyurethane seals—Part 4：Dimensions and tolerances of seals for cylinder port 液压传动 聚氨酯密封件尺寸系列 第4部分：缸口密封圈的尺寸和公差 |
China National Standards yl |
English PDF |
| GB/T 37587-2019 |
Technical specification for corrosion resistance of buried steel bend pipe polyethylene anti-corrosion tapes 埋地钢质弯管聚乙烯防腐带耐蚀作业技术规范 |
China National Standards yl |
English PDF |
| GB/T 37580-2019 |
Requirements for buried polyethylene（PE） gas pipeline corrosion control engineering life cycle 聚乙烯（PE）埋地燃气管道腐蚀控制工程全生命周期要求 |
China National Standards yl |
English PDF |
| GB/T 37557-2019 |
Diethylenetriamine 二乙烯三胺 |
China National Standards yl |
English PDF |
| GB/T 13747.5-2019 |
Methods for chemical analysis of zirconium and zirconium alloys—Part 5：Determination of aluminium content—Chronic azurol-S-tetradrcylpyridine chloride spectrophotometry 锆及锆合金化学分析方法 第5部分：铝量的测定 铬天青S-氯化十四烷基吡啶分光光度法 |
China National Standards yl |
English PDF |
| GB/T 6818-2019 |
Octanol（2-Ethyl hexanol）for industrial use 工业用辛醇（2-乙基己醇） |
China National Standards yl |
English PDF |
| GB/T 4333.6-2019 |
Ferrosilicon—Determination of chromium content—Diphenylcarbazide spectrophotometric method 硅铁 铬含量的测定 二苯基碳酰二肼分光光度法 |
China National Standards yl |
English PDF |
| GB/T 37427-2019 |
Plastics—Acrylonitrile-butadiene-styrene(ABS) compound for automobile 塑料 汽车用丙烯腈-丁二烯-苯乙烯(ABS)专用料 |
China National Standards yl |
English PDF |
| GB/T 37649-2019 |
Determination of thimerosal and diphenylmercury in cosmetics—High performance liquid chromatography-inductively coupled plasma mass spectrometry 化妆品中硫柳汞和苯基汞的测定 高效液相色谱-电感耦合等离子体质谱法 |
China National Standards yl |
English PDF |
| GB/T 37640-2019 |
：Determination of chloroacetaldehyde,2,4-dihydroxy-3-methylbenzaldehyde,crotonaldehyde,acetophenone,2-pentylidenecyclohexanone and glutaral in cosmetics—High performance liquid chromatography 化妆品中氯乙醛、2,4-二羟基-3-甲基苯甲醛、巴豆醛、苯乙酮、2-亚戊基环己酮、戊二醛含量的测定 高效液相色谱法 |
China National Standards yl |
English PDF |
| GB/T 37639-2019 |
Determination of polybrominated biphenyls and polybrominated diphenyl ethers in plastic products—Gas chromatography and mass spectrometry 塑料制品中多溴联苯和多溴二苯醚的测定 气相色谱-质谱法 |
China National Standards yl |
English PDF |
| GB/T 37638-2019 |
Determination of polybrominated biphenyls and polybrominated biphenyl ethers in plastic products—High performance liquid chromatography 塑料制品中多溴联苯和多溴二苯醚的测定 高效液相色谱法 |
China National Standards yl |
English PDF |
| GB/T 37633-2019 |
Textiles―Determination of 1,2-dichloroethane,ethylene chlorohydrin and chloroacetic acid 纺织品 1,2-二氯乙烷、氯乙醇和氯乙酸的测定 |
China National Standards yl |
English PDF |
| GB/T 37629-2019 |
Textiles—Quantitative chemical analysis—Mixtures of acrylic with certain other fibres（method using formic acid and zinc chloride） 纺织品 定量化学分析 聚丙烯腈纤维与某些其他纤维的混合物（甲酸/氯化锌法） |
China National Standards yl |
English PDF |
| GB/T 37533-2019 |
Marine swing cylinder radial piston hydraulic motor 船用摆缸式径向柱塞液压马达 |
China National Standards yl |
English PDF |
| GB/T 13747.6-2019 |
Methods for chemical analysis of zirconium and zirconium alloys—Part 6：Determination of copper content—2,9-Dimethyl-1,10-phenanthroline spectrophotometry 锆及锆合金化学分析方法 第6部分：铜量的测定 2,9-二甲基-1,10-二氮杂菲分光光度法 |
China National Standards yl |
English PDF |
| GB/T 37403-2019 |
Tetramethylammonium hydroxide developer for thin film transistor-liquid crystal display(TFT-LCD) 薄膜晶体管液晶显示器(TFT-LCD)用四甲基氢氧化铵显影液 |
China National Standards yl |
English PDF |
| GB/T 37512-2019 |
Inspection of grain and oils—Determination of the difference between actual and theoretical content of triacylglycerols with ECN 42 粮油检验 实际与理论ECN42甘三酯含量差值的测定 |
China National Standards yl |
English PDF |
| GB/T 37476-2019 |
Marine swing and rotate angle hydraulic cylinder 船用摆动转角液压缸 |
China National Standards yl |
English PDF |
| GB/T 17030-2019 |
Polyvinylidene chloride(PVDC)flat-film for food-packaging 食品包装用聚偏二氯乙烯（PVDC）片状肠衣膜 |
China National Standards yl |
English PDF |
| GB 1886.297-2018 |
National food safety standard - Food Additives - Polyoxypropylene Glycerol Ether 食品安全国家标准-食品添加剂-聚氧丙烯甘油醚 |
China National Standards yl |
English PDF |
| GB/T 37042-2018 |
Hexamethylene diisocyanate 六亚甲基二异氰酸酯 |
China National Standards yl |
English PDF |
| GB/T 2348-2018 |
Fluid power systems and components—Cylinder bores and piston rod diameters 流体传动系统及元件-缸径及活塞杆直径 |
China National Standards yl |
English PDF |
| GB/T 37101-2018 |
Determination of 3,3’-dichloro-4,4’-diaminodiphenylmethane in polymeric materials—Gas chromatography-mass spectrography 聚合物材料中3,3-二氯-4,4-二氨基二苯基甲烷的测定-气相色谱-质谱法 |
China National Standards yl |
English PDF |
| GB/T 36941-2018 |
Modified polypropylene masterbatch based on straw fiber 秸秆纤维基聚丙烯改性料 |
China National Standards yl |
English PDF |
| GBZ/T 300.164-2018 |
Determination of toxic substances in the workplace - Part 164: Diphenylmethane diisocyanate 工作场所空气有毒物质测定-第164部分：二苯基甲烷二异氰酸酯 |
China National Standards yl |
English PDF |
| GBZ/T 300.128-2018 |
Determination of toxic substances in workplace air - Part 128: methacrylates 工作场所空气有毒物质测定-第128部分：甲基丙烯酸酯类 |
China National Standards yl |
English PDF |
| GB/T 36971-2018 |
Textiles—Tests for colour fastness—Assessment of migration of textile colours into polyvinyl chloride coatings 纺织品-色牢度试验-织物染料向聚氯乙烯涂层迁移的评定 |
China National Standards yl |
English PDF |
| GB/T 35451.2-2018 |
Polypropylene(PP) structure-wall piping systems for underground drainage and sewerage—Part 2: Polypropylene spirally enwound structure-wall pipes 埋地排水排污用聚丙烯(PP)结构壁管道系统-第2部分：聚丙烯缠绕结构壁管材 |
China National Standards yl |
English PDF |
| GB/T 19812.4-2018 |
Plastic equipment for water saving irrigation—Part 4：Polyethylene (PE) flexible pipe 塑料节水灌溉器材-第4部分:-聚乙烯(PE)软管 |
China National Standards yl |
English PDF |
| GB/T 5836.2-2018 |
Unplasticized poly(vinyl chloride) (PVC-U) fittings for soil and waste discharge inside buildings 建筑排水用硬聚氯乙烯(PVC-U)管件 |
China National Standards yl |
English PDF |
| GB/T 5836.1-2018 |
Unplasticized poly(vinyl chloride) (PVC-U) pipes for soil and waste discharge inside buildings 建筑排水用硬聚氯乙烯(PVC-U)管材 |
China National Standards yl |
English PDF |
| GB/T 23322-2018 |
Textiles—Determination of surfactant—Alkylphenols and Alkylphenol ethoxylates 纺织品-表面活性剂的测定-烷基酚和烷基酚聚氧乙烯醚 |
China National Standards yl |
English PDF |
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